The correct ratio for mixing oil and gas for your leaf blower depends on the type of engine it has. Typically, a 2-stroke engine requires a 40:1 or 50:1 ratio, while a 4-stroke engine requires a 4:1 or 5:1 ratio. However, it's essential to check your owner's manual to determine the recommended ratio for your specific leaf blower model.. A Poulan Pro 2-cycle leaf blower requires gas to be mixed with oil at a ratio of 40:1 to provide lubrication to the engine. You will find one fill port for this mixture. Use unleaded gasoline with a minimum 87 octane rating (mid-grade) and a maximum 10% ethanol content. Add a 2-cycle premium oil that is ISO-L-EGD and JASO M345 FD certified. How.
RedMax Leaf Blowers Use a Gas to Oil Mix of 50:1. The 2-cycle engine on your RedMax blower has one fill port for a gas and oil mixture at a ratio of 50:1. This means it requires 50 parts gasoline to 1 part oil. For example, one gallon of gas requires 2.6 ounces of oil. Refer to this chart for the right amount of oil to mix with unleaded gas.. The right gas-oil mix for a leaf blower is a mixture of gasoline and oil designed for two-cycle engines. The gas-oil mix ratio for leaf blowers is usually 50:1, which means that there are 50 parts of gasoline to 1 part of oil. However, some newer models may require a different ratio.